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Subject: Re: Puzzle Position: Mate in (what your engine says?)

Author: Arturo Ochoa

Date: 06:38:55 08/29/03

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On August 29, 2003 at 07:25:13, chandler yergin wrote:

>On August 29, 2003 at 07:02:50, George Tsavdaris wrote:
>
>>On August 29, 2003 at 06:26:26, Andy Prap wrote:
>>
>>>There is a puzzle in a Newspaper today where it is said White plays +
>>>it mates in 5. What your is your engine saying? I think it takes longer than M5,
>>>as Black has some solutions.
>>>
>>>[D] 3rn1k1/pb3p2/1p1rp1p1/2q1N1P1/5P2/2PB4/PP5Q/2KRR3 w - - 0 1
>>>
>>>What do you think?
>>>
>>Absolutely no Mate in 5 exists. Of course white is winning after Rh1.
>What's wrong with this mate?
>1.Nxf7 Kxf7 2.Qh7+ Ng7 3.Bxg6+ Kf8 4.Qh8+ Ke7 5.Qxg7# Line
>cy

Wrong. After 1. Nxf7 Kxf7 2. Qh7+ Kf8! I dont see any mate in this position. I
only see a perpetual check, otherwise White could loose by material.



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